10! If you use the trapezoid area formula and plug in the known values, just solve for h(height)
Answer:
t= <u>r-21</u>
7
Step-by-step explanation:
r = 7(t+3)
expanding the bracket
r = 7t + 21
bringing t to the left hand side
7t = r - 21
divide both sides by seven
t= <u>r-21</u>
7
Answer:
Step-by-step explanation:
i don't know sorry.......................
